Biological aspects and redescription of the weevil Revena plaumanni Bondar (Coleoptera: Curculionidae)

Redescription of adult and observations of the weevil Revena plaumanni Bondar (Coleoptera: Curculionidae), preying on seeds of the palm tree Butia eriospatha (Mart. ex Drude) Becc. (Arecaceae), as well as oviposition and larval behavior, pupation site, and adult emergence are reported for the first time in Brazil. Photos of host plant, immature forms (egg, larva and pupa) and adult are given. Illustrations of male and female genitalia are also provided.